نتایج جستجو برای: polarizable continuum model

تعداد نتایج: 2135853  

Journal: :Journal of computational chemistry 2010
Ville Weijo Maharavo Randrianarivony Helmut Harbrecht Luca Frediani

The first implementation of a wavelet discretization of the Integral Equation Formalism (IEF) for the Polarizable Continuum Model (PCM) is presented here. The method is based on the application of a general purpose wavelet solver on the cavity boundary to solve the integral equations of the IEF-PCM problem. Wavelet methods provide attractive properties for the solution of the electrostatic prob...

Mahmoud Osanloo Reza Ghiasi,

In this investigation, the structural, electronic properties, 13C and 1H NMR parameters and firsthyperpolarizability of Z-Ligustilide were explored. As well, the solvent effect on structural parameters, frontier orbital energies, electronic transitions, and 13C and 1H NMR parameters was illustrated based on Polarizable Continuum Model (PCM).These consequences specify that the polarity of solven...

Amir Hossein Hakimiounb Reza Ghiasi,

Equilibrium geometry, electronic structures, and vibrational modes of CoB8- were investigated in the PBEPBE/6-311+G(d,p) level of theory. The nucleus independent chemical shift (NICS) analysis and magnetizability values were used for studying of aromaticity in CoB8-. The effects of different solvents on the structure and frontier orbital energies were calculated using the polarizable continuum ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2014
ahmad irfan

ground state geometries have been computed using density functional theory (dft) at b3lyp/6-31g(d,p) level of theory. the excitation energies and spectroscopic parameters have been computed using long range corrected (lc) hybrid functional by time dependent density functional theory (tddft) with lc-blyp level of theory. the polarizable continuum model (pcm) has been used for evaluating bulk sol...

Journal: :iranian chemical communication 0
reza ghiasi 1department of chemistry, faculty of science, east tehran branch, islamic azad university, qiam dasht, tehran, iran amir hossein hakimiounb young researchers and elites club, north tehran branch, islamic azad university, tehran, iran

equilibrium geometry, electronic structures, and vibrational modes of cob8- were investigated in the pbepbe/6-311+g(d,p) level of theory. the nucleus independent chemical shift (nics) analysis and magnetizability values were used for studying of aromaticity in cob8-. the effects of different solvents on the structure and frontier orbital energies were calculated using the polarizable continuum ...

Journal: :Journal of Chemical Theory and Computation 2015

Journal: :The Journal of chemical physics 2007
Hui Li Mark S Gordon

A method that combines quantum mechanics (QM), typically a solute, the effective fragment potential (EFP) discrete solvent model, and the polarizable continuum model is described. The EFP induced dipoles and polarizable continuum model (PCM) induced surface charges are determined in a self-consistent fashion. The gradients of these two energies with respect to molecular coordinate changes are d...

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